Cause:This type of RASP panel was designed to work across multiple UPS and EBS product lines. It uses the MODBUS protocols for communication. As a result, proper configuration is critical for communication and operation.

Resolution:Attached to this KCS is the installation manual.

Verify proper Modbus wiring, 2 wire, or 4 wire.

Web into the EGX150 in the RASP panel and poll the registers. This will verify communication between the EGX150 and the NMC or MODBUS card of the UPS. For example, the AP9635 of the Symmetra PX, 4609 (input frequency), 4610-12 (input voltage), 4613-15 (input current), each should return their values.

Each UPS and External EBS (if present) must have a unique slave address as follows. (By default, it may be set to 1.)